Initial commit

Libraries/Utilities/differ/pointsDiffer.js

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+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ *
+ * @providesModule pointsDiffer
+ */
+'use strict';
+
+var dummyPoint = {x: undefined, y: undefined};
+
+var pointsDiffer = function(one, two) {
+  one = one || dummyPoint;
+  two = two || dummyPoint;
+  return one !== two && (
+    one.x !== two.x ||
+    one.y !== two.y
+  );
+};
+
+module.exports = pointsDiffer;